<template>
  <div>
    <!-- 面包屑导航区 -->
    <hamburger :secTitle="secTitle" :thirdTitle="thirdTitle"></hamburger>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <!-- 搜索区域 -->
      <el-row :gutter="10">
        <el-col :span="6">
          <el-input placeholder="请输入内容" clearable v-model="params.query" @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="6">
          <el-button type="info" plain @click="goAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 列表区域 -->
      <el-table border stripe :data="goodsList">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="95px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="180px">
          <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="125px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              circle
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="success"
              icon="el-icon-delete"
              circle
              @click="removeGoods(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="params.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="params.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      secTitle: '商品管理',
      thirdTitle: '商品列表',
      params: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.params
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表数据失败')
      } else {
        this.goodsList = res.data.goods
        this.total = res.data.total
      }
    },
    handleSizeChange(newSize) {
      this.params.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum) {
      this.params.pagenum = newNum
      this.getGoodsList()
    },
    async removeGoods(id) {
      const confirmRes = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmRes !== 'confirm') {
        return this.$message.info('取消删除该商品')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      } else {
        this.$message.success('删除商品成功')
        this.getGoodsList()
      }
    },
    goAddGoods(){
        this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.el-table {
  margin: 20px 0;
}
</style>